package rad.framework.uml2.uml.edit.providers.elementItemProvider.namedElement.action.structuredActivity;

import java.util.Collection;
import java.util.List;

import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.ResourceLocator;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.ViewerNotification;
import org.eclipse.uml2.uml.ExpansionRegion;
import org.eclipse.uml2.uml.UMLPackage;

import rad.framework.uml2.uml.edit.UMLEditPlugin;

public class ExpansionRegionItemProvider
		extends StructuredActivityItemProvider
		implements IEditingDomainItemProvider, IStructuredItemContentProvider, ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource {

	public ExpansionRegionItemProvider(AdapterFactory adapterFactory) {
		super(adapterFactory);
	}

	@Override
	public List getPropertyDescriptors(Object object) {
		if (itemPropertyDescriptors == null) {
			super.getPropertyDescriptors(object);

			addModePropertyDescriptor(object);
			addInputElementPropertyDescriptor(object);
			addOutputElementPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	protected void addModePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getResourceLocator(), getString("_UI_ExpansionRegion_mode_feature"),
				getString("_UI_PropertyDescriptor_description", "_UI_ExpansionRegion_mode_feature", "_UI_ExpansionRegion_type"),
				UMLPackage.Literals.EXPANSION_REGION__MODE, true, ItemPropertyDescriptor.GENERIC_VALUE_IMAGE, null, null));
	}

	protected void addInputElementPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getResourceLocator(), getString("_UI_ExpansionRegion_inputElement_feature"),
				getString("_UI_PropertyDescriptor_description", "_UI_ExpansionRegion_inputElement_feature", "_UI_ExpansionRegion_type"),
				UMLPackage.Literals.EXPANSION_REGION__INPUT_ELEMENT, true, null, null, null));
	}

	protected void addOutputElementPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(), getResourceLocator(), getString("_UI_ExpansionRegion_outputElement_feature"),
				getString("_UI_PropertyDescriptor_description", "_UI_ExpansionRegion_outputElement_feature", "_UI_ExpansionRegion_type"),
				UMLPackage.Literals.EXPANSION_REGION__OUTPUT_ELEMENT, true, null, null, null));
	}

	@Override
	public Object getImage(Object object) {
		return overlayImage(object, getResourceLocator().getImage("full/obj16/ExpansionRegion"));
	}

	@Override
	public String getText(Object object) {
		final String label = ((ExpansionRegion) object).getName();
		return label == null || label.length() == 0 ? getString("_UI_ExpansionRegion_type") :
				getString("_UI_ExpansionRegion_type") + " " + label;
	}

	@Override
	public void notifyChanged(Notification notification) {
		updateChildren(notification);

		switch (notification.getFeatureID(ExpansionRegion.class)) {
			case UMLPackage.EXPANSION_REGION__MODE:
				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
				return;
		}
		super.notifyChanged(notification);
	}

	@Override
	protected void collectNewChildDescriptors(Collection newChildDescriptors, Object object) {
		super.collectNewChildDescriptors(newChildDescriptors, object);
	}

	@Override
	public String getCreateChildText(Object owner, Object feature, Object child, Collection selection) {
		final Object childFeature = feature;
		final Object childObject = child;

		final boolean qualify = childFeature == UMLPackage.Literals.ACTION__LOCAL_PRECONDITION || childFeature == UMLPackage.Literals.ACTION__LOCAL_POSTCONDITION || childFeature == UMLPackage.Literals.NAMESPACE__OWNED_RULE;

		if (qualify) {
			return getString("_UI_CreateChild_text2",
					new Object[] { getTypeText(childObject), getFeatureText(childFeature), getTypeText(owner) });
		}
		return super.getCreateChildText(owner, feature, child, selection);
	}

	@Override
	public ResourceLocator getResourceLocator() {
		return UMLEditPlugin.INSTANCE;
	}

}
